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Finding the Fourth Proportional to 328,813.98, 453,754.11 and 185,587.35

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Solution

The fourth proportional to 328,813.98, 453,754.11 and 185,587.35 is: 256,105.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,813.98 : 453,754.11 = 185,587.35 : x
  2. Step 2: Convert to fraction form
    328,813.98/453,754.11 = 185,587.35/x
  3. Step 3: Cross multiply
    328,813.98x = 453,754.11 × 185,587.35
  4. Step 4: Simplify right side
    328,813.98x = 84,211,022,826.51
  5. Step 5: Solve for x
    x = 84,211,022,826.51/328,813.98
  6. Step 6: Final answer
    x = 256,105.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.